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摘要： using System; using System.IO; public class Chapter4 { static void Main() { int[] numbers = new int[100];FileStream f1 = new FileStream(@"c:\numbers.txt",FileMode.Open);StreamWriter s1 = new StreamWriter(f1);Random r1 = new Random(); for (int j = 0; j < 100; j++){ s1.WriteLine( r1.Next( 阅读全文

摘要： System.Diagnostics.Stopwatch stopwatch = new Stopwatch(); stopwatch.Start(); // 开始监视代码运行时间 // you code .... stopwatch.Stop(); // 停止监视 TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间 double hours = timespan.TotalHours; // 总小时 double minutes = timespan.TotalMinutes; // 总分钟 double seconds = t. 阅读全文